Bolt tensioner



FIG. 1 is an exploded view of a bolt tensioner showing my new design;

FIG. 2 is a perspective elevated view of my bolt tensioner in assembled form;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective elevated view of an alternate embodiment of my new design;

FIG. 7 is a top plan view thereof;

FIG. 8 is a side plan view thereof;

FIG. 9 is a bottom plan view thereof;

FIG. 10 is a perspective view of a second alternate embodiment of my new design;

FIG. 11 is a top plan view thereof;

FIG. 12 is a side plan view thereof; and,

FIG. 13 is a bottom plan view thereof. 

The ornamental design for a bolt tensioner, as shown and described. 